ICD-10 M16.9
Billable / SpecificOsteoarthritis of hip, unspecified
About ICD-10-CM M16.9
ICD-10-CM code M16.9 represents Osteoarthritis of hip, unspecified. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M16). The 2026 edition of ICD-10-CM M16.9 became effective on October 1, 2025.
Medicare LCD Coverage for M16.9
Local Coverage Determinations (LCDs) from CMS MACs that list M16.9 as a covered diagnosis.
Showing top 10 of 192 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M16.9.
2 Cigna
5 Medicare
3 Aetna
CPT Codes Commonly Billed with M16.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 27130 Total hip arthroplasty — primary hip OA, bilateral hip OA, osteonecrosis, femoral neck fracture, pathologic fracture Orthopedics
Convert M16.9 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M16.9 | 71535 | 10000 |
| M16.9 | 71595 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M16.9
Other codes in section M15-M19 (Osteoarthritis).
ICD-10 M16.9, Billing FAQ
Is ICD-10 code M16.9 billable? +
Yes, M16.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with M16.9? +
Procedures frequently paired with M16.9 include: 27130.
What ICD-9 codes does M16.9 map to? +
Per CMS GEMs, M16.9 maps to ICD-9 codes: 71535, 71595. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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